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dsp73
3 years ago
13

Can you help? Thanks!

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0
Your answer is c.) 225. it is the only one that is not a decimal, this is more, not less
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The world brand of rivet placement is 11209 rivets in 9 hours and belongs to J. Mair of Ireland. If another person places 11209
Ilya [14]

Answer:

4.74 hours

Step-by-step explanation:

Given that both person have to place same number of rivets that is

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first person take 9 hours to complete the work

hence 1 hour work of 1st person is \frac{1}{9} of total work

second person takes 10 hours to complete the same work

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Now if both work together then

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thus working together they need \frac{90}{19} hours = 4.74 hours to complete the whole work which is placing 11209 rivets  

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3 years ago
Let $f$ be a function such that $f(x+y) = x + f(y)$ for any two real numbers $x$ and $y$. if $f(0) = 2$, then what is $f(2012)?$
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<span>Given:

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So first of all, we let x = 2012, y = 0: 

<span>
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<span>There are always three main parts of a function, namely:

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What goes into the function is put inside parentheses () after the name of the function: So, f(x) shows us the function is called "f", and "x" goes in.

 

 

What a function does with the input can be usually seen as:

 

<span>f(x) = x2</span><span> reveals to us that function "f" takes "x<span>" and squares it.</span></span>

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